277702990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 534430512

約数和(自身を除く): 256727522

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 307, 313, 578, 614, 626, 1445, 1535, 1565, 2890, 3070, 3130, 5219, 5321, 10438, 10642, 26095, 26605, 52190, 53210, 88723, 90457, 96091, 177446, 180914, 192182, 443615, 452285, 480455, 887230, 904570, 960910, 1633547, 3267094, 8167735, 16335470, 27770299, 55540598, 138851495, 277702990]

約数ペア:

[(1, 277702990), (2, 138851495), (5, 55540598), (10, 27770299), (17, 16335470), (34, 8167735), (85, 3267094), (170, 1633547), (289, 960910), (307, 904570), (313, 887230), (578, 480455), (614, 452285), (626, 443615), (1445, 192182), (1535, 180914), (1565, 177446), (2890, 96091), (3070, 90457), (3130, 88723), (5219, 53210), (5321, 52190), (10438, 26605), (10642, 26095)]